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懷孕33周雙頂徑正常值多少
懷孕33周雙頂徑正常值多少
更新时间:2026-09-05 23:15:23

  8、61±0.63cm。雙頂徑是指胎兒頭部兩側頂骨隆突間的距離,即與胎兒顱中縫垂直的徑線中最寬的距離。雙頂徑大小和妊娠周期有着密切關系,一般通過測量胎頭雙頂徑粗略評估妊娠周期和預産期。

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